Home / 130,891,289,424.53-180,629,897,818.85-70,744,258,507.28

Finding the Fourth Proportional to 130,891,289,424.53, 180,629,897,818.85 and 70,744,258,507.28

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Solution

The fourth proportional to 130,891,289,424.53, 180,629,897,818.85 and 70,744,258,507.28 is: 97,627,032,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,891,289,424.53 : 180,629,897,818.85 = 70,744,258,507.28 : x
  2. Step 2: Convert to fraction form
    130,891,289,424.53/180,629,897,818.85 = 70,744,258,507.28/x
  3. Step 3: Cross multiply
    130,891,289,424.53x = 180,629,897,818.85 × 70,744,258,507.28
  4. Step 4: Simplify right side
    130,891,289,424.53x = 12,778,528,185,439,391,580,160
  5. Step 5: Solve for x
    x = 12,778,528,185,439,391,580,160/130,891,289,424.53
  6. Step 6: Final answer
    x = 97,627,032,643.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.