Home / 145,928,528,332.61-218,925,798,921.64-78,774,331,983.62

Finding the Fourth Proportional to 145,928,528,332.61, 218,925,798,921.64 and 78,774,331,983.62

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Solution

The fourth proportional to 145,928,528,332.61, 218,925,798,921.64 and 78,774,331,983.62 is: 118,179,315,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928,528,332.61 : 218,925,798,921.64 = 78,774,331,983.62 : x
  2. Step 2: Convert to fraction form
    145,928,528,332.61/218,925,798,921.64 = 78,774,331,983.62/x
  3. Step 3: Cross multiply
    145,928,528,332.61x = 218,925,798,921.64 × 78,774,331,983.62
  4. Step 4: Simplify right side
    145,928,528,332.61x = 17,245,733,564,032,506,396,672
  5. Step 5: Solve for x
    x = 17,245,733,564,032,506,396,672/145,928,528,332.61
  6. Step 6: Final answer
    x = 118,179,315,320.20

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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.