Home / 153,252,597.16-211,460,737.75-90,538,905.66

Finding the Fourth Proportional to 153,252,597.16, 211,460,737.75 and 90,538,905.66

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Solution

The fourth proportional to 153,252,597.16, 211,460,737.75 and 90,538,905.66 is: 124,927,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,252,597.16 : 211,460,737.75 = 90,538,905.66 : x
  2. Step 2: Convert to fraction form
    153,252,597.16/211,460,737.75 = 90,538,905.66/x
  3. Step 3: Cross multiply
    153,252,597.16x = 211,460,737.75 × 90,538,905.66
  4. Step 4: Simplify right side
    153,252,597.16x = 19,145,423,785,941,248
  5. Step 5: Solve for x
    x = 19,145,423,785,941,248/153,252,597.16
  6. Step 6: Final answer
    x = 124,927,238.69

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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.