Home / 145,928,528,334.24-218,925,798,924.06-78,774,331,985.25

Finding the Fourth Proportional to 145,928,528,334.24, 218,925,798,924.06 and 78,774,331,985.25

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Solution

The fourth proportional to 145,928,528,334.24, 218,925,798,924.06 and 78,774,331,985.25 is: 118,179,315,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928,528,334.24 : 218,925,798,924.06 = 78,774,331,985.25 : x
  2. Step 2: Convert to fraction form
    145,928,528,334.24/218,925,798,924.06 = 78,774,331,985.25/x
  3. Step 3: Cross multiply
    145,928,528,334.24x = 218,925,798,924.06 × 78,774,331,985.25
  4. Step 4: Simplify right side
    145,928,528,334.24x = 17,245,733,564,579,988,897,792
  5. Step 5: Solve for x
    x = 17,245,733,564,579,988,897,792/145,928,528,334.24
  6. Step 6: Final answer
    x = 118,179,315,322.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.